1. image, picture. Imagine,conceive,conceive of,realize refer to bringing something before the mind. To imagine is, literally, to form a mental image of something: to imagine yourself in London. To conceive is to form something by using one's imagination: How has the author conceived the first act of his play? To conceive of is to comprehend through the intellect something not perceived through the senses: Wilson conceived of a world free from war. To realize is to make an imagined thing real or concrete to oneself, to grasp fully its implications: to realize the extent of one's folly.

imagine

v.

mid-14c., "to form a mental image of," from Old French imaginer "sculpt, carve, paint; decorate, embellish" (13c.), from Latin imaginari "to form a mental picture to oneself, imagine" (also, in Late Latin imaginare "to form an image of, represent"), from imago (see image). Sense of "suppose" is first recorded late 14c. Related: Imagined; imagining.